Home / 1,233,680.80-1,850,715.60-392,317.60

Finding the Fourth Proportional to 1,233,680.80, 1,850,715.60 and 392,317.60

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Solution

The fourth proportional to 1,233,680.80, 1,850,715.60 and 392,317.60 is: 588,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,680.80 : 1,850,715.60 = 392,317.60 : x
  2. Step 2: Convert to fraction form
    1,233,680.80/1,850,715.60 = 392,317.60/x
  3. Step 3: Cross multiply
    1,233,680.80x = 1,850,715.60 × 392,317.60
  4. Step 4: Simplify right side
    1,233,680.80x = 726,068,302,474.56
  5. Step 5: Solve for x
    x = 726,068,302,474.56/1,233,680.80
  6. Step 6: Final answer
    x = 588,538.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.